1 /*
2 * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import javax.sound.sampled.AudioFormat;
25 import javax.sound.sampled.AudioSystem;
26 import javax.sound.sampled.DataLine;
27 import javax.sound.sampled.Line;
28 import javax.sound.sampled.Mixer;
29
30 /**
31 * @test
32 * @bug 4936397
33 * @summary Verify that there'll for a given endianness, there's also the little
34 * endian version
35 */
36 public class BothEndiansAndSigns {
37 static boolean failed = false;
38 static int testedFormats = 0;
39
40 public static void main(String[] args) throws Exception {
41 out("4936397: Verify that there'll for a given endianness, there's also the little endian version");
42 out(" and the same for signed'ness for 8-bit formats");
43
44 Mixer.Info[] aInfos = AudioSystem.getMixerInfo();
45 for (int i = 0; i < aInfos.length; i++) {
46 try {
47 Mixer mixer = AudioSystem.getMixer(aInfos[i]);
48 out("Mixer "+aInfos[i]);
49 checkLines(mixer, mixer.getSourceLineInfo());
50 checkLines(mixer, mixer.getTargetLineInfo());
51 } catch (Exception e) {
52 out("Unexpected exception when getting a mixer: "+e);
53 }
54 }
55 if (testedFormats == 0) {
56 out("[No appropriate lines available] - cannot exercise this test.");
57 } else {
58 if (failed) {
59 throw new Exception("Test FAILED!");
60 }
61 out("Test passed");
62 }
63 }
64
65 public static void checkLines(Mixer mixer, Line.Info[] infos) {
66 for (int i = 0; i<infos.length; i++) {
67 try {
68 if (infos[i] instanceof DataLine.Info) {
69 DataLine.Info info = (DataLine.Info) infos[i];
70 System.out.println(" Line "+info+" (max. "+mixer.getMaxLines(info)+" simultaneously): ");
71 AudioFormat[] formats = info.getFormats();
72 for (int f = 0; f < formats.length; f++) {
73 try {
74 AudioFormat otherEndianOrSign = getOtherEndianOrSign(formats[f]);
75 if (otherEndianOrSign != null) {
76 checkFormat(formats, otherEndianOrSign);
77 }
78 } catch (Exception e1) {
79 out(" Unexpected exception when getting a format: "+e1);
80 }
81 }
82 }
83 } catch (Exception e) {
84 out(" Unexpected exception when getting a line: "+e);
85 }
86 }
87 }
88
89 public static void checkFormat(AudioFormat[] formats, AudioFormat format) {
90 for (int i = 0; i < formats.length; i++) {
91 testedFormats++;
92 if (formats[i].matches(format)) {
93 return;
94 }
95 }
96 out(" ## expected this format: "+format
97 +" ("+format.getChannels()+" channels, "
98 +"frameSize="+format.getFrameSize()+", "
99 +(format.isBigEndian()?"big endian":"little endian")
100 +")");
101 failed = true;
102 }
103
104 public static AudioFormat getOtherEndianOrSign(AudioFormat format) {
105 AudioFormat.Encoding newEnc = null;
106 boolean newEndian = format.isBigEndian();
107 boolean isSigned = format.getEncoding().equals(AudioFormat.Encoding.PCM_SIGNED);
108 boolean isUnsigned = format.getEncoding().equals(AudioFormat.Encoding.PCM_UNSIGNED);
109 if ((isSigned || isUnsigned) && format.getSampleSizeInBits() > 0) {
110 if (format.getSampleSizeInBits() == 8) {
111 // return the other signed'ness
112 if (isSigned) {
113 newEnc = AudioFormat.Encoding.PCM_UNSIGNED;
114 } else {
115 newEnc = AudioFormat.Encoding.PCM_SIGNED;
116 }
117 } else {
118 newEnc = format.getEncoding();
119 newEndian = !newEndian;
120 }
121 if (newEnc != null) {
122 return new AudioFormat(newEnc, format.getSampleRate(),
123 format.getSampleSizeInBits(),
124 format.getChannels(),
125 format.getFrameSize(),
126 format.getFrameRate(),
127 newEndian);
128 }
129 }
130 return null;
131 }
132
133 static void out(String s) {
134 System.out.println(s); System.out.flush();
135 }
136 }